EP1028331A3 - WDM Multiplexer - Google Patents

WDM Multiplexer Download PDF

Info

Publication number
EP1028331A3
EP1028331A3 EP00200396A EP00200396A EP1028331A3 EP 1028331 A3 EP1028331 A3 EP 1028331A3 EP 00200396 A EP00200396 A EP 00200396A EP 00200396 A EP00200396 A EP 00200396A EP 1028331 A3 EP1028331 A3 EP 1028331A3
Authority
EP
European Patent Office
Prior art keywords
multiplexer
input ports
filter
combining
output port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00200396A
Other languages
German (de)
French (fr)
Other versions
EP1028331A2 (en
Inventor
Michael Mesh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ECI Telecom Ltd
Original Assignee
ECI Telecom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ECI Telecom Ltd filed Critical ECI Telecom Ltd
Publication of EP1028331A2 publication Critical patent/EP1028331A2/en
Publication of EP1028331A3 publication Critical patent/EP1028331A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes
    • G02B6/12021—Comprising cascaded AWG devices; AWG multipass configuration; Plural AWG devices integrated on a single chip
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • G02B6/29353—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide with a wavelength selective element in at least one light guide interferometer arm, e.g. grating, interference filter, resonator
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • G02B6/29355—Cascade arrangement of interferometers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0305—WDM arrangements in end terminals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Communication System (AREA)

Abstract

An expandable multiplexer for adding additional channels per fiber in an optical communication system, the multiplexer including a wavelength multiplexer including at least two multiplexer input ports for combining a plurality of input wavelengths onto at least one multiplexer output port, and at least one wavelength filter including at least two filter input ports for combining at least two selected wavelengths onto at least one filter output port coupled to one of the multiplexer input ports.
EP00200396A 1999-02-11 2000-02-04 WDM Multiplexer Withdrawn EP1028331A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/248,919 US6256431B1 (en) 1999-02-11 1999-02-11 WDM multiplexer
IL12850399 1999-02-11
IL12850399A IL128503A (en) 1999-02-11 1999-02-11 Wdm multiplexer

Publications (2)

Publication Number Publication Date
EP1028331A2 EP1028331A2 (en) 2000-08-16
EP1028331A3 true EP1028331A3 (en) 2002-07-17

Family

ID=26323792

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00200396A Withdrawn EP1028331A3 (en) 1999-02-11 2000-02-04 WDM Multiplexer

Country Status (4)

Country Link
US (1) US6256431B1 (en)
EP (1) EP1028331A3 (en)
CN (1) CN1266315A (en)
IL (1) IL128503A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567196B1 (en) * 1999-03-22 2003-05-20 Ciena Corporation Dense WDM optical multiplexer and demultiplexer
US7158722B1 (en) 2000-07-13 2007-01-02 At&T Corp. Method for operating transparent node for WDM shared “virtual ring” networks
US7006767B1 (en) * 2000-07-13 2006-02-28 At&T Corp. System for transparent node for WDM shared “virtual ring” networks
US6925259B2 (en) * 2000-10-12 2005-08-02 At&T Corp. MAC protocol for optical packet-switched ring network
US7340175B2 (en) * 2002-01-18 2008-03-04 Nec Corporation Non-uniform optical waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system
KR20070057965A (en) 2004-09-21 2007-06-07 신타 파마슈티칼스 코프. Compounds for inflammation and immune-related uses
US7639947B2 (en) * 2005-09-19 2009-12-29 The Chinese University Of Hong Kong System and methods for quantum key distribution over WDM links
US7499651B2 (en) * 2005-10-20 2009-03-03 Fujitsu Limited Upgradeable passive optical network
US7653309B2 (en) 2005-10-20 2010-01-26 Fujitsu Limited System and method for distributing traffic in an optical network
US8023823B2 (en) 2005-10-20 2011-09-20 Fujitsu Limited System and method for transmitting upstream traffic in an optical network
US7684705B2 (en) 2005-10-20 2010-03-23 Fujitsu Limited Distribution node for a wavelength-sharing network
US7684706B2 (en) 2005-10-20 2010-03-23 Fujitsu Limited System and method for traffic distribution in an optical network
US7546036B2 (en) 2005-10-20 2009-06-09 Fujitsu Limited Hybrid passive optical network using shared wavelengths
US7522838B2 (en) 2005-10-20 2009-04-21 Fujitsu Limited Distribution components for a wavelength-sharing network
US7639946B2 (en) 2006-01-06 2009-12-29 Fujitsu Limited Distribution node for an optical network
US7603036B2 (en) 2006-01-06 2009-10-13 Fujitsu Limited System and method for managing network components in a hybrid passive optical network
US8180223B2 (en) 2006-02-03 2012-05-15 Fujitsu Limited System and method for extending reach in a passive optical network
US7715719B2 (en) 2006-06-02 2010-05-11 Fujitsu Limited System and method for transmitting traffic in a plurality of passive optical networks
US8369706B2 (en) * 2006-07-18 2013-02-05 Novera Optics, Inc. Open access service model using WDM-PON
US8565599B2 (en) 2006-12-11 2013-10-22 Fujitsu Limited System and method for transmitting optical markers in a passive optical network system
US7970281B2 (en) 2007-01-26 2011-06-28 Fujitsu Limited System and method for managing different transmission architectures in a passive optical network
US7920792B2 (en) 2007-05-02 2011-04-05 Fujitsu Limited System and method for managing communication in a hybrid passive optical network
US20090148165A1 (en) * 2007-12-05 2009-06-11 Electronics & Telecommunications Research Institute Optical filtering apparatus and optical communication system
US8948598B2 (en) 2008-02-13 2015-02-03 Fujitsu Limited System and method for increasing upstream capacity in an optical network
EP2730042A1 (en) * 2011-07-08 2014-05-14 Telefonaktiebolaget L M Ericsson (publ) Optical access network
TW202020495A (en) * 2018-11-21 2020-06-01 源傑科技股份有限公司 Silicon photonic integrated system in a switch
GB2595863A (en) * 2020-06-08 2021-12-15 Rushmere Tech Limited Optical apparatus and associated methods
WO2021250393A1 (en) 2020-06-08 2021-12-16 Rushmere Technology Limited Optical apparatus for and methods of generating optical signals to increase the amount of data in an optical network
CN113916271B (en) * 2021-10-11 2023-10-31 欧梯恩智能科技(苏州)有限公司 Optical sensor addressing chip, module, measuring system and measuring method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999042875A1 (en) * 1998-02-20 1999-08-26 Corning Incorporated Cascading of tunable optical filter elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657406A (en) * 1994-09-23 1997-08-12 United Technologies Corporation Efficient optical wavelength multiplexer/de-multiplexer
JP3751667B2 (en) * 1995-11-17 2006-03-01 富士通株式会社 Polarization-scrambled wavelength division multiplexing signal transmission method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999042875A1 (en) * 1998-02-20 1999-08-26 Corning Incorporated Cascading of tunable optical filter elements

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ERDOGAN T: "Optical add-drop multiplexer based on an asymmetric Bragg coupler", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, vol. 157, no. 1-6, 1 December 1998 (1998-12-01), pages 249 - 264, XP004150731, ISSN: 0030-4018 *
FARJADY F ET AL: "NOVEL TWO-STAGE WAVELENGTH-ROUTED ACCESS ARCHITECTURE EMPLOYING SPECTRAL-GROOMING AND REPLICATED ARRAYED WAVEGUIDE GRATINGS", 6TH IEE CONFERENCE ON TELECOMMUNICATIONS. EDINBURGH, UK, MARCH 29 - APRIL 1, 1998, IEE CONFERENCE PUBLICATION, LONDON: IEE, UK, vol. NO. 451, 29 March 1998 (1998-03-29), pages 214 - 218, XP000880794, ISBN: 0-85296-700-4 *
JOUANNO J-M ET AL: "Low crosstalk planar optical add-drop multiplexer fabricated with UV-induced Bragg gratings", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 33, no. 25, 4 December 1997 (1997-12-04), pages 2120 - 2121, XP006008279, ISSN: 0013-5194 *
KITAYAMA K-I: "SUBCARRIER-MULTIPLEXED SIGNALING BASED ADD/DROP MULTIPLEXER IN OPTICAL FDM NETWORKS", IEEE PHOTONICS TECHNOLOGY LETTERS, IEEE INC. NEW YORK, US, vol. 8, no. 6, 1 June 1996 (1996-06-01), pages 836 - 838, XP000590028, ISSN: 1041-1135 *

Also Published As

Publication number Publication date
US6256431B1 (en) 2001-07-03
EP1028331A2 (en) 2000-08-16
IL128503A (en) 2003-07-06
CN1266315A (en) 2000-09-13
IL128503A0 (en) 2000-01-31

Similar Documents

Publication Publication Date Title
EP1028331A3 (en) WDM Multiplexer
EP0668674A3 (en) Optical wavelength division multiplexed network system
EP1418691A3 (en) Passive optical network using loop back of multi-wavelength light generated at central office
EP0847158A3 (en) An optical wavelength multiplexing and demultiplexing device and an optical transmission system using the same
WO2002030026A1 (en) Wavelength-division multiplexing optical communication system
EP1161115A8 (en) Optical switch with power equalization
WO2001089120A3 (en) Asymmetric wavelength slicing based dense wavelength division multiplexing
EP1052868A3 (en) Free-space/arrayed-waveguide router
EP0985942A3 (en) Add/drop filter for a multi-wavelength lightwave system
EP1347590A3 (en) Wavelength division multiplexing passive optical network system
EP0849968A3 (en) Optical communication system using wavelenght-division multiplexed light
US6243179B1 (en) Banded add drop device
WO2004010175A3 (en) East-west separable, reconfigurable optical add/drop multiplexer
EP1004909A3 (en) Photonics system
EP1061674A3 (en) Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
EP1094573A3 (en) Optical amplifier
EP1033842A3 (en) Wavelength division multiplexed optical communication system having reduced short wavelength loss
WO1999012268A3 (en) Method and system for modular multiplexing and amplification in a multi-channel plan
EP1089479A3 (en) Wavelength division add/drop multiplexer
EP1067717A3 (en) Broadband optical amplifier and system having the optical amplifier
EP1033841A3 (en) Reconfigurable add/drop for optical fiber communication systems
CN103001725A (en) Noise reduction in optical communications networks
EP1031858A3 (en) Controllable wavelength-selective optical cross-connect
US6249620B1 (en) Reconfigurable branching unit for a submarine communications system
EP0924950A3 (en) Optical Network

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 7G 02B 6/293 A, 7H 04J 14/02 B, 7G 02B 6/34 B

AKX Designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20030118